3 sentences

1. 青年人应当胸怀大志。

   qīng​nián​rén yīng​dāng xiōng​huái dà​zhì.

   Young people should have great ambitions.

   Source: Dong Chinese Dictionary

2. 青年人应该树立正确的价值观。

   qīng​nián​rén yīng​gāi shù​lì zhèng​què de jià​zhí​guān.

   Young people should establish correct values.

   Source: Dong Chinese Dictionary

3. 现在的青年人很喜欢尝试各种各样的新事物。

   xiàn​zài de qīng​nián​rén hěn xǐ​huan cháng​shì gè zhǒng gè yàng de xīn shì​wù.

   Young people today enjoy trying all kinds of new things.

   Source: Dong Chinese Dictionary